163755280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157457}}^1$

素因数の和:157483

約数の個数: 40

約数和(自身を含む): 410020632

約数和(自身を除く): 246265352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 157457, 314914, 629828, 787285, 1259656, 1574570, 2046941, 2519312, 3149140, 4093882, 6298280, 8187764, 10234705, 12596560, 16375528, 20469410, 32751056, 40938820, 81877640, 163755280]

約数ペア:

[(1, 163755280), (2, 81877640), (4, 40938820), (5, 32751056), (8, 20469410), (10, 16375528), (13, 12596560), (16, 10234705), (20, 8187764), (26, 6298280), (40, 4093882), (52, 3149140), (65, 2519312), (80, 2046941), (104, 1574570), (130, 1259656), (208, 787285), (260, 629828), (520, 314914), (1040, 157457)]